INVITE-ONLY SCRIPT
SPX Weekly EM
This indicator calculates and projects a fixed Weekly Expected Move (EM) range for the S&P 500 (SPX), designed specifically for intraday and 0DTE options trading.
The Expected Move is derived from implied volatility dynamics using a volatility proxy and time-weighted normalization. The weekly EM is calculated once at the start of each trading week and remains fixed across all intraday timeframes to avoid recalculation noise and repainting.
Key concepts behind the indicator:
• Volatility-based expected range estimation
• Weekly fixed-range projection
• Intraday mean reversion vs. range expansion behavior
• Identification of statistically significant boundary breaks
The indicator plots:
• Weekly EM High
• Weekly EM Low
• Weekly EM Center (reference price)
Additionally, the script highlights when price decisively breaks above or below the weekly expected range, allowing traders to distinguish between normal range behavior and abnormal volatility expansion.
This tool is intended to support risk-defined option strategies such as:
• SPX 0DTE structures
• Iron Fly
• Iron Condor
• Premium-selling strategies
The script does not provide buy or sell signals and does not predict market direction. It is designed as a volatility framework and context tool to assist traders in managing risk and understanding market behavior relative to statistically expected movement.
Access to this script is invite-only to protect proprietary implementation details and usage methodology.
For educational purposes only. Not financial advice.
The Expected Move is derived from implied volatility dynamics using a volatility proxy and time-weighted normalization. The weekly EM is calculated once at the start of each trading week and remains fixed across all intraday timeframes to avoid recalculation noise and repainting.
Key concepts behind the indicator:
• Volatility-based expected range estimation
• Weekly fixed-range projection
• Intraday mean reversion vs. range expansion behavior
• Identification of statistically significant boundary breaks
The indicator plots:
• Weekly EM High
• Weekly EM Low
• Weekly EM Center (reference price)
Additionally, the script highlights when price decisively breaks above or below the weekly expected range, allowing traders to distinguish between normal range behavior and abnormal volatility expansion.
This tool is intended to support risk-defined option strategies such as:
• SPX 0DTE structures
• Iron Fly
• Iron Condor
• Premium-selling strategies
The script does not provide buy or sell signals and does not predict market direction. It is designed as a volatility framework and context tool to assist traders in managing risk and understanding market behavior relative to statistically expected movement.
Access to this script is invite-only to protect proprietary implementation details and usage methodology.
For educational purposes only. Not financial advice.
仅限邀请脚本
只有作者授权的用户才能访问此脚本。您需要申请并获得使用许可。通常情况下，付款后即可获得许可。更多详情，请按照下方作者的说明操作，或直接联系aboaka2019。
TradingView不建议您付费购买或使用任何脚本，除非您完全信任其作者并了解其工作原理。您也可以在我们的社区脚本找到免费的开源替代方案。
作者的说明
ccess Request Instructions (Invite-Only)
This script is invite-only.
To request access:
Send me your TradingView username (without @).
Access is reviewed and granted manually.
⚠️ Access can be revoked at any time.
免责声明
这些信息和出版物并非旨在提供，也不构成TradingView提供或认可的任何形式的财务、投资、交易或其他类型的建议或推荐。请阅读使用条款了解更多信息。
仅限邀请脚本
只有作者授权的用户才能访问此脚本。您需要申请并获得使用许可。通常情况下，付款后即可获得许可。更多详情，请按照下方作者的说明操作，或直接联系aboaka2019。
TradingView不建议您付费购买或使用任何脚本，除非您完全信任其作者并了解其工作原理。您也可以在我们的社区脚本找到免费的开源替代方案。
作者的说明
ccess Request Instructions (Invite-Only)
This script is invite-only.
To request access:
Send me your TradingView username (without @).
Access is reviewed and granted manually.
⚠️ Access can be revoked at any time.
免责声明
这些信息和出版物并非旨在提供，也不构成TradingView提供或认可的任何形式的财务、投资、交易或其他类型的建议或推荐。请阅读使用条款了解更多信息。